768668688 has 60 divisors (see below), whose sum is σ = 2201250480. Its totient is φ = 250262208.

The previous prime is 768668687. The next prime is 768668707. The reversal of 768668688 is 886866867.

It is not an unprimeable number, because it can be changed into a prime (768668683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55878 + ... + 68261.

It is an arithmetic number, because the mean of its divisors is an integer number (36687508).

Almost surely, 2^768668688 is an apocalyptic number.

It is an amenable number.

768668688 is an abundant number, since it is smaller than the sum of its proper divisors (1432581792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768668688 is a wasteful number, since it uses less digits than its factorization.

768668688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124196 (or 124187 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The square root of 768668688 is about 27724.8748960207. The cubic root of 768668688 is about 916.0371005104.

The spelling of 768668688 in words is "seven hundred sixty-eight million, six hundred sixty-eight thousand, six hundred eighty-eight".